1199374145 has 8 divisors (see below), whose sum is σ = 1514999040. Its totient is φ = 908999280.

The previous prime is 1199374109. The next prime is 1199374181. The reversal of 1199374145 is 5414739911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1199374109) and next prime (1199374181).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1199374145 - 2⁶ = 1199374081 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1199374096 and 1199374105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6312401 + ... + 6312590.

It is an arithmetic number, because the mean of its divisors is an integer number (189374880).

Almost surely, 2^1199374145 is an apocalyptic number.

It is an amenable number.

1199374145 is a deficient number, since it is larger than the sum of its proper divisors (315624895).

1199374145 is a wasteful number, since it uses less digits than its factorization.

1199374145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625015.

The product of its digits is 136080, while the sum is 44.

The square root of 1199374145 is about 34631.9815344141. The cubic root of 1199374145 is about 1062.4737953399.

The spelling of 1199374145 in words is "one billion, one hundred ninety-nine million, three hundred seventy-four thousand, one hundred forty-five".